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Finding the Fourth Proportional to 120,671.60, 181,007.40 and 33,119.60

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Solution

The fourth proportional to 120,671.60, 181,007.40 and 33,119.60 is: 49,679.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,671.60 : 181,007.40 = 33,119.60 : x
  2. Step 2: Convert to fraction form
    120,671.60/181,007.40 = 33,119.60/x
  3. Step 3: Cross multiply
    120,671.60x = 181,007.40 × 33,119.60
  4. Step 4: Simplify right side
    120,671.60x = 5,994,892,685.04
  5. Step 5: Solve for x
    x = 5,994,892,685.04/120,671.60
  6. Step 6: Final answer
    x = 49,679.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.